Coherence with berkeley db environment configuration problem in weblogic

Hi
i am new to coherence and i developed a web application. in my app coherence is a cache and berkely db is a backend store. i configured the coherence-config.xml correctly as per the instructions in the oracle site.the problem is when i try to put my data in the cache i am getting an exception like this
java.lang.NoSuchMethodError: com/sleepycat/je/EnvironmentConfig.setAllowCreate(Z)V
     at com.tangosol.io.bdb.DatabaseFactory$EnvironmentHolder.configure(DatabaseFactory.java:544)
     at com.tangosol.io.bdb.DatabaseFactory$EnvironmentHolder.(DatabaseFactory.java:262)
     at com.tangosol.io.bdb.DatabaseFactory.instantiateEnvironment(DatabaseFactory.java:157)
     at com.tangosol.io.bdb.DatabaseFactory.(DatabaseFactory.java:59)
     at com.tangosol.io.bdb.DatabaseFactoryManager.ensureFactory(DatabaseFactoryManager.java:74)
     at com.tangosol.io.bdb.BerkeleyDBBinaryStoreManager.createBinaryStore(BerkeleyDBBinaryStoreManager.java:176)
     at com.tangosol.net.DefaultConfigurableCacheFactory.instantiateExternalBackingMap(DefaultConfigurableCacheFactory.java:2620)
     at com.tangosol.net.DefaultConfigurableCacheFactory.configureBackingMap(DefaultConfigurableCacheFactory.java:1449)
     at com.tangosol.net.DefaultConfigurableCacheFactory$Manager.instantiateBackingMap(DefaultConfigurableCacheFactory.java:3904)
     at com.tangosol.coherence.component.util.CacheHandler.instantiateBackingMap(CacheHandler.CDB:7)
     at com.tangosol.coherence.component.util.CacheHandler.setCacheName(CacheHandler.CDB:35)
     at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.ReplicatedCache.instantiateCacheHandler(ReplicatedCache.CDB:16)
     at com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.ReplicatedCache.ensureCache(ReplicatedCache.CDB:152)
     at com.tangosol.coherence.component.util.safeService.SafeCacheService.ensureCache$Router(SafeCacheService.CDB:1)
     at com.tangosol.coherence.component.util.safeService.SafeCacheService.ensureCache(SafeCacheService.CDB:33)
     at com.tangosol.net.DefaultConfigurableCacheFactory.ensureCache(DefaultConfigurableCacheFactory.java:875)
     at com.tangosol.net.DefaultConfigurableCacheFactory.configureCache(DefaultConfigurableCacheFactory.java:1223)
     at com.tangosol.net.DefaultConfigurableCacheFactory.ensureCache(DefaultConfigurableCacheFactory.java:290)
     at com.tangosol.net.CacheFactory.getCache(CacheFactory.java:735)
     at com.tangosol.net.CacheFactory.getCache(CacheFactory.java:712)
     at com.coherence.cachestore.ReadFromFile.putValuesInCache(ReadFromFile.java:149)
     at com.coherence.cachestore.ReadFromFile.doPost(ReadFromFile.java:78)
     at com.coherence.cachestore.ReadFromFile.doGet(ReadFromFile.java:43)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:183)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3717)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
i google it but i got the answer for setting the environment in the java class(even this is also not succeed).i dont know how to do it for coherence. how coherence will take the berkely db configuration when i load the data in catch.please help me. if you know the answer please show the code how to configure the berkely db environment configuration for coherence and where i need to chanage/create and what should i have to do coherence will invoke the berkely db environment and store the data in the local disk. i am using coherence 3.6 with weblogic 10.3.5 server
Edited by: 875786 on Dec 2, 2011 4:37 AM
Edited by: 875786 on Dec 2, 2011 4:39 AM

Hi Thank you very much. Its works fine with je 3.3 version. I have several doubts.as per my application configuration its stores the data in local disk using berkely db. when i restart the server the cache data is no more but the stored data is available in the disk , is there any configuration or technique is available for pre load the data from disk to catch. (i am using replicated cache scheme).if yes menas please provide the full detail and sample code. thanks in advance.

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17. Please describe the shape of one of your typical documents? Please
do this by sending us a skeleton XML document.
Due to the sensitive nature of the data, I can provide XML schema instead.
18. What is the rate of document insertion/update required or
expected? Are you doing partial node updates (via XmlModify) or
replacing the document?
The document is inserted during user login. Any change made to the application
data grid or other data components gets saved in Berkeley DB. We also have
an automatic save every two minutes. The final save from the application
gets saved in a relational database.
19. What is the query rate required/expected?
Users will not be entering data rapidly. There will be lot of think time
before the users enter/modify data in the web application. This is a pilot
project but when we go live with this application, we will expect 25 users
at the same time.
20. XQuery -- supply some sample queries
1. Please provide the Query Plan
2. Are you using DBXML_INDEX_NODES?
Yes.
3. Display the indices you have defined for the specific query.
     XmlIndexSpecification spec = container.getIndexSpecification();
     // ids
     spec.addIndex("", "id", XmlIndexSpecification.PATH_NODE | XmlIndexSpecification.NODE_ATTRIBUTE | XmlIndexSpecification.KEY_EQUALITY, XmlValue.STRING);
     spec.addIndex("", "idref", XmlIndexSpecification.PATH_NODE | XmlIndexSpecification.NODE_ATTRIBUTE | XmlIndexSpecification.KEY_EQUALITY, XmlValue.STRING);
     // index to cover AttributeValue/Description
     spec.addIndex("", "Description", XmlIndexSpecification.PATH_EDGE | XmlIndexSpecification.NODE_ELEMENT | XmlIndexSpecification.KEY_SUBSTRING, XmlValue.STRING);
     // cover AttributeValue/@value
     spec.addIndex("", "value", XmlIndexSpecification.PATH_EDGE | XmlIndexSpecification.NODE_ATTRIBUTE | XmlIndexSpecification.KEY_EQUALITY, XmlValue.STRING);
     // item attribute values
     spec.addIndex("", "type", XmlIndexSpecification.PATH_EDGE | XmlIndexSpecification.NODE_ATTRIBUTE | XmlIndexSpecification.KEY_EQUALITY, XmlValue.STRING);
     // default index
     spec.addDefaultIndex(XmlIndexSpecification.PATH_NODE | XmlIndexSpecification.NODE_ELEMENT | XmlIndexSpecification.KEY_EQUALITY, XmlValue.STRING);
     spec.addDefaultIndex(XmlIndexSpecification.PATH_NODE | XmlIndexSpecification.NODE_ATTRIBUTE | XmlIndexSpecification.KEY_EQUALITY, XmlValue.STRING);
     // save the spec to the container
     XmlUpdateContext uc = xmlManager.createUpdateContext();
     container.setIndexSpecification(spec, uc);
4. If this is a large query, please consider sending a smaller
query (and query plan) that demonstrates the problem.
21. Are you running with Transactions? If so please provide any
transactions flags you specify with any API calls.
Yes. READ_UNCOMMITED in some and READ_COMMITTED in other transactions.
22. If your application is transactional, are your log files stored on
the same disk as your containers/databases?
Yes.
23. Do you use AUTO_COMMIT?
     No.
24. Please list any non-transactional operations performed?
No.
25. How many threads of control are running? How many threads in read
only mode? How many threads are updating?
We use Berkeley XML DB within the context of a struts web application.
Each user logged into the web application will be running a bdb transactoin
within the context of a struts action thread.
26. Please include a paragraph describing the performance measurements
you have made. Please specifically list any Berkeley DB operations
where the performance is currently insufficient.
We are clocking 10-12 seconds of loading a document from dbd when
five users are on the system.
getContainer().getDocument(documentName);
27. What performance level do you hope to achieve?
We would like to get less than 5 seconds when 25 users are on the system.
28. Please send us the output of the following db_stat utility commands
after your application has been running under "normal" load for some
period of time:
% db_stat -h database environment -c
% db_stat -h database environment -l
% db_stat -h database environment -m
% db_stat -h database environment -r
% db_stat -h database environment -t
(These commands require the db_stat utility access a shared database
environment. If your application has a private environment, please
remove the DB_PRIVATE flag used when the environment is created, so
you can obtain these measurements. If removing the DB_PRIVATE flag
is not possible, let us know and we can discuss alternatives with
you.)
If your application has periods of "good" and "bad" performance,
please run the above list of commands several times, during both
good and bad periods, and additionally specify the -Z flags (so
the output of each command isn't cumulative).
When possible, please run basic system performance reporting tools
during the time you are measuring the application's performance.
For example, on UNIX systems, the vmstat and iostat utilities are
good choices.
Will give this information soon.
29. Are there any other significant applications running on this
system? Are you using Berkeley DB outside of Berkeley DB XML?
Please describe the application?
No to the first two questions.
The web application is an online review of test questions. The users
login and then review the items one by one. The relational database
holds the data in xml. During application load, the application
retrieves the xml and then saves it to bdb. While the user
is making changes to the data in the application, it writes those
changes to bdb. Finally when the user hits the SAVE button, the data
gets saved to the relational database. We also have an automatic save
every two minues, which saves bdb xml data and saves it to relational
database.
Thanks,
Madhav
[email protected]

Could it be that you simply do not have set up indexes to support your query? If so, you could do some basic testing using the dbxml shell:
milu@colinux:~/xpg > dbxml -h ~/dbenv
Joined existing environment
dbxml> setverbose 7 2
dbxml> open tv.dbxml
dbxml> listIndexes
dbxml> query     { collection()[//@date-tip]/*[@chID = ('ard','zdf')] (: example :) }
dbxml> queryplan { collection()[//@date-tip]/*[@chID = ('ard','zdf')] (: example :) }Verbosity will make the engine display some (rather cryptic) information on index usage. I can't remember where the output is explained; my feeling is that "V(...)" means the index is being used (which is good), but that observation may not be accurate. Note that some details in the setVerbose command could differ, as I'm using 2.4.16 while you're using 2.4.13.
Also, take a look at the query plan. You can post it here and some people will be able to diagnose it.
Michael Ludwig

Best environment configuration practice

we are deploying three different web applications which use bdbxml. they do not share data at all. we currently have it configured for all three apps to use the same environment but with different containers. we are running into problems where if one app goes down, it could take the entire environment down.
is a 1:1 application to environment configuration a best practice? or is sharing one environment the best practice?
thanks.

Hi,
This is the normal recovery process. If process 2 was in the middle of something, there is potential corruption on the db. So when process 2 rejoins the env with DB_RECOVERY, it will set the panic bit and start recovery. Process 1 is detecting that and getting out of the environment. After process 2 finishes up with recovery, process 1 can rejoin. This is the normal recovery process. Since we are a library, we have to be cautious about what we are doing and assume when some process terminates abnormally that something could be wrong.
You can put different Container into different environments. OR adding that the DB_REGISTER and DB_FAILCHK flags can help reduce the number of occurrences when such panic events happen. It's worth following the reference guide documentation starting here:
http://download.oracle.com/docs/cd/E17076_02/html/programmer_reference/transapp_fail.html
Thanks,
Rucong Zhao
Oracle Berkeley DB XML

I just installed LV2011 and one dll from my vi won't load with the error "application configuration is incorrect"

I just installed LV2011 and one dll from my vi won't load with the error "application configuration is incorrect", which is Windows lingo for "missing package dependencies". All the computers at my company with 2010 loaded seem to do OK. When I do a Dependencies Walk I get missing Visual C debug dll's missing plus IEshims and wer which both have a whole tree of dependencies missing on my machine. The Windows install is the same "Windows XP version 2002 Service Pack 3" on my PC and the working PC's. So I'm thinking I have to uninstall 2011 and go back to 2010. Is this correct? Those VC debug dll's were installed on the machines with 2010 in them but were not installed in mine.
I've heard the advice to recompile the dll with debug turned off but I don't have access to the source code.
Thanks in advance.

u87 wrote:
Thanks for the reply. This at least tells me that going back to LV2010 is not likely to solve the problem. The missing dll's are:
MFC90D.dll
MSVCR90D.dll
IESHMS.dll
WER.dll
And, once again, IESHMS and WER have other dependencies. So perhaps i need to install the Visual C++ development environment.
IESHIMS.dll is an Internet Explorer DLL that gets usually delay loaded by shdocvw.dll. As delay load it can not cause DLL load errors but only runtime errors. Maybe your DLL has it as direct dependency but that is unlikely since it does not have a documented interface.
WER.dll is Windows error reporting for Vista/Win7.
MFC90D.dll is the Microsoft Foundation classes and MSVCR90D.dll is the MS C runtime library, both as debug variant.
So all the DLLs you mention are actually MS DLLs! You haven't identified the DLL that you try to access in LabVIEW that causes these error messages. IESHIMS and WER are usually delay loaded by any component that needs it and should not likely be used by non MS code.
What is the DLL you try to load into LabVIEW and by whom? Get the provider of that DLL to provide you a non Debug build of the DLL. Installing Visual C on all the machines just to make the DLL load is not a solution, besides that it is likely not legal since I doubt you have that many licenses.
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

Coherence with berkeley db environment configuration problem in weblogic

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